Claude Security Vulnerability
Multiple vulnerabilities in Anthropic's Claude Code, primarily exploited via malicious configuration files, allowed for silent arbitrary command execution on developer machines. These flaws also enabled bypassing consent for external actions and exfiltrating API keys by redirecting traffic, potentially compromising shared team resources.
What Happened
Multiple vulnerabilities in Anthropic's Claude Code, primarily exploited via malicious configuration files, allowed for silent arbitrary command execution on developer machines. These flaws also enabled bypassing consent for external actions and exfiltrating API keys by redirecting traffic, potentially compromising shared team resources.
Why This Matters
Current evidence identifies a security issue involving Claude, but does not yet support a more specific impact claim.
Recommended Action
No confirmed vendor remediation is available in the current evidence. Confirm whether Claude is present in your environment and review the affected configuration.
Exposure
Exposure unknown
Feb 26, 2026 05:30
Exposure reason: This incident does not currently match a technology in My AI Stack.
Exploitation status: UNKNOWN
Primary entities:
Timeline
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Incident first seen
Feb 26, 2026 05:30BugSkan first recorded this incident.
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Claude Code Flaws Exposed Developer Devices to Silent Hacking - SecurityWeek
Feb 26, 2026 05:30securityweek.com · Research
Sources
securityweek.com · Feb 26, 2026 05:30
Multiple vulnerabilities in Anthropic's Claude Code, primarily exploited via malicious configuration files, allowed for silent arbitrary command execution on developer machines. These flaws also enabled bypassing consent for external actions and exfiltrating API keys by redirecting traffic, potentially compromising shared team resources.
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